Dynamo-magnetic-power transmission device.



No. 816,912. 1 PATENTED APR. 3, 1906. J. 0. HBINZB, J3. DYNAMO MAGNETICPOWER TRANSMISSION DEVICE.

APPLICATION FILED APB-1'1. 1905.

4 SHEETS-SHEET 1.

PATENTED APR. 3, 1906.

J. 0. HEINZE, JR. I DYNAMO MAGNETIC POWER TRANSMISSION DEVICE.

APPLICATION FILED APR.17. 1905.

4 SHEBTB-SHEET 2.

III/II No. 816,912. PATENTED APR. 3, 1906. J. O. HEINZE, JR.

DYNAMO MAGNETIC POWER TRANSMISSION DEVICE.

APPLICATION TILED APR.17, 1005.

4 SHEETS-SHEET 5.

No. 816,912. PATENTED APR. 3, 1906 J. O. HEINZE, JR"

DYNAMO MAGNETIC POWER TRANSMISSION DEVICE.

APPLICATION FILED APP..17. 10054 4 SHEETS-SHEET 4 /%%Z//// zzvzfk?UNITED STATES PATENT OFFICE. JOHN o'r'ro HEINZE, 3B,, OF LOWELL,MASSACHUSETTS.

DYNAMO-MAGNEITIC-POWER TRANSMISSION DEVICE.

Patented April 3, 1906.

Application filed April 17,1905. Serial No. 255,92].-

To all whom it may concern:

Be it known that 1, JOHN OTTO HEINZE, J r., a citizen of the UnitedStates, residingat Lowell, in the county of Middlesex and State ofMassachusetts, have invented a certain new and useful Dynamo-Manetic-Power Transmission Device, of whic the following is aspecification.

My invention relates to means for trans mitting power from a drivingdevice to a driven device. Its principal objects are, first, to providemeans whereby a driving-shaft can without mechanical means beoperatively connected with and then disconnected from a shaft to bedriven, and, second, to provide means whereby during operation the speedof one shaft can be varied from the speed of the other.

The first feature of my invention consists 'ofa driving-shaft, a drivenshaft, 'an armature, and a field of a dynamo-machine, one shaft beingfixed to the armature and the other shaft being fixed to the field.

The second feature resides in means for varyin the electrical currentpassing through the eld and armature.

By means of my invention all mechanical friction between the drivingshaft and the driven shaft and also all variable-speed gearing, clutchmechanisms, and the like are eliminated, as are also shocks and joltingof parts due to sudden startings of the driving device or shaft, all ofwhich eliminations render apparatus employing my invention of greatutility-as, for example, when it is used in the driving mechanism, say,of automobiles making use of any kind of power. Further, as the fieldand armature generate an abundance of electricalenergy all batteries maybe discarded and a portion of the ener y generated may be used tooperate spar plugs of a gasolene-engine, electric headlights, and otherelectrical devices.

Figure 1 shows in elevation my invention embodied in the driving anddriven shafts of a crank-engine, the driven shaft being operativelyconnected, as by bevel-gears, to the shaft carrying the driving-wheelsof an automobile. Fig. 2 is a vertical transverse section showing theupper half of my invention embodied in a driving and a driven shaft, abelt bein employed to transmit power to the driving-s aft. Fig. 3 is aside elevation of my invention, parts bein broken away to show thearrangement of t earmature-windings, steel disks, commutator, segments,

1natureand upon the adjacent ortion of the" a driven shaft 2 is afieldsayo the multipolar or fourpole constructionwhich is inclosed by thearmature 10.

The armature 10, made fast by bolts 11 to a sustaining-disk 12, which inturn is fast on the driving-shaft 1, consists of a series of steel disks13, armature-coils 14, which are electrically connected withcommutatorsegments 15, that move with armature and are insulated fromeach other. The field 30 has four pole-pieces 31, 32, 33, and 34,provided with opposite windings 35, 36, 37, and 38.

It also has carbon brushes 39, 40, 41, and 42,

which are electrically connected by wires 43 44, the brushes beingmounted in their respective brush-holders 45 46 47 48, which in turn aremounted upon a brush-ring 50. This rin 50 has a slot 51, in engagementwith which is a threaded pin 52, provided with a nut 53, by means ofwhich the brush-ring 50, and consequently the brushes 39, 40, 41, and42, may be'adjustable in their relations to the armature 10 and thefield 30. collector-rings 54 55 so placed and secured to the field 30that by means of stationary brushes 56 57 these collector-rin s can beelectrically connected with a suitable variable resistance'such, forexample, as a .rheostat 60under the control of the operator.

Reference now bein had to Fig. 4, which shows diagrammatica ly theelectrical circuits and means employed to control the electricalcurrents in the circuits, the operation of my invention will becomeobvious. Driving-shaft 1 is driven from any suitable source of power,and armature 10 is thus caused to rotate around field 30. An electricalcurrent is induced in the armature, which current then in turn passesthrough windings 35 36 37 38 of the field 30 and is there utilized toenergize the field, with the There are two IIO result that theattraction created between armature and the field causes the field tofollow armature in the direction of the arrow. As the currents in thefield and armature will be readily understood from an examination ofFig. 4, a description of their courses therethrough is not necessary andwill therefore be omitted. By varying the intensity of the currentgenerated in armature 10 by the introduction of a resistance into thecircuit, such as b the use of a rheostat 60, the intensity of tliemagnetic field is varied, and hence there is a variation in magneticfield 30, and consequently a variation between the number of revolutionsof the driving-shaft 1 and the number of the driven shaft 2. Thisvariation in the intensity of the electrical current ma be brou ht aboutalso by an adjustment 0 the brus ring 50, and hence the adjustmentof thebrushes 39 4O 41 42 in their relations to the armature 10 and the field30, or by so winding the field with one or more coils wound upon eachfield-pole having separate circuits whereby one or more of these coilscan be connected in series or in multiple for the purpose of Vary ingthe ampere-turns of the field, and thereby varying the intensity of themagnetic field and the consequent torque, all of which means arewell-known equivalents.

In fine, as above stated, while my invention is very useful whenemployed with a gasolene-engine, the balance-wheel of which is eitherthe field or armature mounted on the driving-shaft, obviously myinvention can be used to connect operatively any driving-shaft and anydriven shaft regardless of the kind of power employed to drive thedriven shaft. There is no mechanical friction. The speed of one shaftcan at the will of the operator be varied from that ,of the other shaft,and there is no shock transmitted to the driven shaft upon a suddenstartin of the driving-shaft, all of which benefits ow from thesubstitution for mechanical connections the magnetic connectionsembodied 1n my invention.

My invention may be applied 1n different forms without departing fromthe principles thereof, and I therefore do not limit my invention to theparticular construction shown and described; but I desireto protect itin the broadest manner legally possible.

What I claim is A driving-shaft; a driven shaft; a' multipolar field,and an internal-slotted armature; one shaft being fixed to the field,and the other shaft fixed to the armature; commutator-segments fixed toand electrically connected with the armature-coils; a multiplicity ofbrushes to engage these segments, each brush being fixed to t e fieldand between-its adjacent pole-pieces; and electrical connections,whereby the windings of the armature are short-circuited through thebrushes of the commutator, and the windings on the polepieces of thefield, and polesare formed in the armature at the brushes, each pole ofthe armature attracting one and repelling the other, of its adjacentpoles of the field and causing the field to move in the same directionas does the armature.

In testimony whereof I afiix my signature in presence of two witnesses.

JOHN OTTO HEINZE, JR. Witnesses:

FRANCIS J. V. DAKIN, E. F. UNIAC.

